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Subsequent Events	12 Months Ended
Subsequent Events	Apr. 30, 2017
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS Events that have occurred subsequent to April 30, 2017 have been evaluated for disclosure. On June 13, 2017, the Company issued $150 million aggregate principal amount of 3.51% Senior Notes due June 13, 2025, and expects to issue on August 22, 2017, $250 million aggregate principal amount of 3.77% Senior Notes due August 22, 2028. Further information is set forth in the Current Report on Form 8-K filed by the Company on June 15, 2017.